Sample build.sbt for cross compiled scala.js project with scalatest

build.sbt

name := "scalajs root project"
scalaVersion := "2.11.7"

lazy val root = project.in(file(".")).
    aggregate(crossedJVM, crossedJS).
    settings(
      publish := {},
      publishLocal := {}

    )

lazy val crossed = crossProject.in(file(".")).
    settings(
      name := "scalajs-cross-project",
      version := "0.1-SNAPSHOT",
      scalaVersion := "2.11.7",
      libraryDependencies ++= Seq(
        "org.scalatest" %%% "scalatest" % "3.0.0-M15" % "test"
      )
    ).
    jvmSettings(

    ).
    jsSettings(
      libraryDependencies += "be.doeraene" %%% "scalajs-jquery" % "0.9.0",
      jsDependencies += "org.webjars" % "jquery" % "2.1.1" / "jquery.js",
      jsDependencies += RuntimeDOM,
      skip in packageJSDependencies := false,
      scalaJSUseRhino in Global := false,
      persistLauncher in Compile := true,
      persistLauncher in Test := false
    )

lazy val crossedJVM = crossed.jvm
lazy val crossedJS = crossed.js.enablePlugins(ScalaJSPlugin)